NEN EN 50289-4-9:2001現(xiàn)行
Communication Cables - Specifications For Test Methods - Part 4-9: Environmental Test Methods - Pneumatic Resistance
出版：Nederlands Normalisatie Instituut
專家解讀視頻
Gives the method of test to determine the pneumatic resistance used in analogue and digital communication systems. This test only applies to cables which are protected by gas pressurisation.
SN EN 50289-4-9:2001 - Identical
BS EN 50289-4-9:2001 - Identical
DIN EN 50289-4-9 (2002-05) - Identical
NF EN 50289-4-9:2002 - Identical
I.S. EN 50289-4-9:2001 - Identical
SS EN 50289-4-9 Ed. 1 (2002) - Identical
UNE EN 50289-4-9:2002 - Identical
